Overview
The OPA365AIDBVT, produced by Texas Instruments, is a high-performance operational amplifier that belongs to the OPAx365 family. This device is known for its wideband operation, low distortion, and high common-mode rejection ratio (CMRR), making it an excellent choice for various applications such as driving sampling analog-to-digital converters (ADCs), signal conditioning, audio, and sensor amplification. The OPA365AIDBVT features a unique zerø-crossover input topology that eliminates input stage crossover distortion and provides true rail-to-rail input and output swing. It is available in micro-size packages, including the SOT23-5 and SOIC-8, and is specified for operation from −40°C to +125°C.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Voltage Supply Range | 2.2 | 5.5 | V | |
| Input Offset Voltage (VOS) | 100 | 200 | µV | |
| Input Offset Voltage Drift (dVOS/dT) | 1 | µV/°C | ||
| Common-Mode Rejection Ratio (CMRR) | 100 | 120 | dB | |
| Input Bias Current (IB) | ±0.2 | ±10 | pA | |
| Input Voltage Noise Density (en) | 4.5 | nV/√Hz | ||
| Gain Bandwidth (GBW) | 50 | MHz | ||
| Slew Rate | 25 | V/µs | ||
| Operating Temperature Range | −40 | +125 | °C |
Key Features
- Rail-to-Rail Input and Output Swing: The OPA365AIDBVT features true rail-to-rail input operation and output swing, allowing the input common-mode range to extend 100 mV beyond both power-supply rails.
- Zerø-Crossover Input Topology: This unique topology eliminates the input offset transition region typical of many rail-to-rail, complementary stage operational amplifiers, ensuring excellent common-mode performance.
- High CMRR and PSRR: The device offers high common-mode rejection ratio (CMRR) and power-supply rejection ratio (PSRR), making it suitable for applications requiring high signal integrity.
- Low Noise and Distortion: With low input voltage noise density and high linearity, the OPA365AIDBVT is ideal for applications where signal fidelity is crucial.
- ESD Protection: The device includes internal electrostatic discharge (ESD) protection circuits on all pins, providing in-circuit input overdrive protection.
- Wide Operating Temperature Range: Specified for operation from −40°C to +125°C, making it suitable for a variety of environmental conditions.
Applications
- Driving Sampling ADCs: The OPA365AIDBVT is an excellent choice for driving sampling analog-to-digital converters due to its high gain bandwidth and low distortion.
- Signal Conditioning: Suitable for various signal conditioning tasks, including amplification and filtering of signals.
- Audio Applications: Its low noise and high linearity make it suitable for audio applications where signal quality is critical.
- Sensor Amplification: Ideal for amplifying signals from sensors due to its high CMRR and low noise characteristics.
- Active Filtering: The OPA365AIDBVT is an excellent choice for active filter applications requiring a wide bandwidth and fast slew rate.
Q & A
- What is the operating voltage range of the OPA365AIDBVT?
The OPA365AIDBVT operates from a voltage supply range of 2.2 V to 5.5 V.
- What is the gain bandwidth of the OPA365AIDBVT?
The gain bandwidth of the OPA365AIDBVT is 50 MHz.
- What is the slew rate of the OPA365AIDBVT?
The slew rate of the OPA365AIDBVT is 25 V/µs.
- Does the OPA365AIDBVT have ESD protection?
Yes, the OPA365AIDBVT includes internal electrostatic discharge (ESD) protection circuits on all pins.
- What are the typical applications of the OPA365AIDBVT?
Typical applications include driving sampling ADCs, signal conditioning, audio, sensor amplification, and active filtering.
- What is the common-mode rejection ratio (CMRR) of the OPA365AIDBVT?
The CMRR of the OPA365AIDBVT is typically 120 dB.
- What is the input voltage noise density of the OPA365AIDBVT?
The input voltage noise density of the OPA365AIDBVT is typically 4.5 nV/√Hz.
- What are the available packages for the OPA365AIDBVT?
The OPA365AIDBVT is available in SOT23-5 and SOIC-8 packages.
- What is the operating temperature range of the OPA365AIDBVT?
The OPA365AIDBVT is specified for operation from −40°C to +125°C.
- Does the OPA365AIDBVT support rail-to-rail input and output swing?
Yes, the OPA365AIDBVT features true rail-to-rail input and output swing.
